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Q.

The commonly used safety fuse wire is made of _____.


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a

Copper

b

Lead

c

Nickel

d

An alloy of tin and lead 

answer is D.

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Detailed Solution

Commonly used safety fuse wire is made from an alloy of tin and lead.
A fuse is used as an electrical safety device. It will work when an overcurrent is flowing through the electrical circuit. Terminates current flow when heavy current load occurs. It can therefore protect electrical appliances from damage that can be caused by heavy loads.
Of the options listed, the tin-lead alloy has the lowest melting point. This material is widely used for the production of fuse wires.
 
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